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PD Dr. rer. nat. habil. Frank Eisenhauer

Photo von PD  Dr. rer. nat. habil. Frank Eisenhauer.
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Max-Planck-Institue for Extraterrestrial Physics (MPE)
Job Title
PD at the Physics Department

Courses and Dates

Title and Module Assignment
Introduction to astrophysics
course documents
Assigned to modules:
VO 2 Eisenhauer, F. Tue, 14:00–16:00, MPE 1.1.18b

Offered Bachelor’s or Master’s Theses Topics

Confinement of charged nanoparticles: Quadrupole Ion Trap - particle detection
Charged particles trapping and isolation, originally started in fundamental physics some 60 years ago, has nowadays numerous applications with interdisciplinary impact from astrophysics to biology. In laboratory astrophysics, ion traps are one of the few instruments allowing studies at conditions approaching those in the interstellar medium, where low temperatures (tens of K) and number densities (<10^10 cm^-3) prevail. In this project the main goal is to develop an detection system for a charged and trapped nanoparticles of sizes ~500 nm in an cryogenic quadrupole ion trap. This is an experimental physics project, the participant will work to integrate the hardware (laser, detector, DAq) together with customised software in order to accomplish the task. This project will offer a deep insight into photon detection using APD (avalanche-photodiode), signal filtering and processing using Fourier transforms and data acquisition using customized hardware. Contact: Dr. Pavol Jusko Prof. Paola Caselli
suitable as
  • Master’s Thesis Nuclear, Particle, and Astrophysics
Supervisor: Frank Eisenhauer
GRAVITY Wide Upgrade
GRAVITY is a second generation interferometric instrument in operation ESO’s Paranal Observatory, Chile. Connected to four 8m telescopes, it combines their light to obtain imaging, spectroscopic and astrometric information at the highest spatial resolutions currently available in infrared astronomy. The master project will focus on the upgrade of GRAVITY ravity with new active, optical delay lines to co-phase the light of the different telescopes. Specifically the student will integrate, test and characterize the combination of a high precision linear stage and a piezo-electrically driven mirror mount in combination with a laser distance metrology system to achieve 20 nm optical path length stability. Topics will cover mechano-optical design, control system engineering and interface design and the student should expect to spend a significant fraction of their time in the laboratories at MPE. This thesis presents a rare opportunity to support and witness a state of the art instrumental project for the Very Large Telescope all the way from the design phase to its implementation.
Contacr: Maximilian Fabricius ( and Frank Eisenhauer (
suitable as
  • Master’s Thesis Nuclear, Particle, and Astrophysics
Supervisor: Frank Eisenhauer
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